Butterfly valves DNOVA are designed for use as shut-off or regulating valves for flow control in heat and water supply systems, in technological processes of food, chemical, oil and gas, pulp and paper and other industries.
DNOVA 4V320-10 220V pneumatic valve is used to change direction, start, stop compressed air flows in pneumatic system depending on external control action.
Limit switch unit DNOVA APL-410N EX is an electrotechnical device designed to open and close the working circuit and to visualize the positions of the shut-off device of pipeline valves. In a sealed box, as a rule, there are two mechanical switches designed for voltage up to 250 V, which monitor the position of the actuator stem and signalize in extreme positions. They are mounted on top of the actuator surface. In the upper part of the limit switch unit there is a two-color visual indicator hemisphere. If the connected pipe fitting is closed, only the red part of the hemisphere labeled CLOSED is visible; if it is open, only the yellow part labeled OPEN is visible. This visual indicator is clearly visible from a distance, which simplifies the inspection of the equipment, and the color difference between the open and closed position reduces the probability of misinterpretation of information. Thanks to the use of limit switch units it becomes possible to transmit information on the position of pipeline valves (open/closed) to automated control systems, which allows to increase the reliability of the system as a whole and simplifies diagnostics in case of malfunction detection.
The AFC2000 air treatment unit is designed to clean compressed air from moisture droplets and solid particles, remove condensate, automatically maintain pressure at a preset level, supply lubricant from a reservoir in the compressed air flow to the pneumatic system elements with a large capacity range from 500 liters/minute to 10,000 liters/minute. The lubricator adds oil with a viscosity of 32 mm²/s (=cSt) at 40°C to the pneumatic system for further lubrication of control components such as pneumatic cylinders and pneumatic valves.

Technical parameters of butterfly valve DNOVA WBV3232P-2W-Fb-H, body material - stainless steel AISI 316L, disk material - stainless steel AISI 316L, seal - PTFE, with pneumatic actuator double action PA-DA, 4V320-10 220V, limit switch unit APL-410N Ex, ATU AFC2000:

Table of parts and materials of butterfly valve DNOVA WBV3232P-2W-Fb-H, body material - stainless steel AISI 316L, disk material - stainless steel AISI 316L, seal - PTFE, with pneumatic actuator double action PA-DA, 4V320-10 220V, limit switch unit APL-410N Ex, ATU AFC2000:

Technical data of DA double-acting pneumatic actuators:

DA pneumatic actuators double-acting rotary actuators

Dimensions and mounting dimensions of DA double-acting pneumatic actuators:

Sketch of dimensions of DA double-acting pneumatic actuators

Materials of parts for DA double-acting pneumatic actuators:

Material sketch of DA double-acting pneumatic actuators

Technical parameters of pneumatic valve DNOVA 4V320-10 220V:

Technical parameters of limit switch units DNOVA APL-410N EX

Passports and certificates

Data sheet for DNOVA DA/SA double-acting pneumatic actuator with return springs

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